Everything you wanted to know. The arrangement of the cylinder is simply straight in these engines. What are the types of car engines 3. STRAIGHT. Looking at the arrangement of the cylinders in this engine, you will notice that the positioning is done parallel to the car. All those premium cars like BMW use this type of car engines with such cylinder positioning.

Engine & working principles. Types of Heat Engines . AG ENGG. 243 Lecture 3 2 Piston: The piston of an engine is the first part to begin movement and to transmit power to the crankshaft as a result of the pressure and energy generated by the combustion of the fuel. The piston is closed at one end and open on the other end to permit direct attachment of the connecting rod and its free action. The materials used for pistons